40241720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:165

約数の個数: 128

約数和(自身を含む): 104509440

約数和(自身を除く): 64267720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 31, 34, 40, 46, 62, 68, 83, 85, 92, 115, 124, 136, 155, 166, 170, 184, 230, 248, 310, 332, 340, 391, 415, 460, 527, 620, 664, 680, 713, 782, 830, 920, 1054, 1240, 1411, 1426, 1564, 1660, 1909, 1955, 2108, 2573, 2635, 2822, 2852, 3128, 3320, 3565, 3818, 3910, 4216, 5146, 5270, 5644, 5704, 7055, 7130, 7636, 7820, 9545, 10292, 10540, 11288, 12121, 12865, 14110, 14260, 15272, 15640, 19090, 20584, 21080, 24242, 25730, 28220, 28520, 32453, 38180, 43741, 48484, 51460, 56440, 59179, 60605, 64906, 76360, 87482, 96968, 102920, 118358, 121210, 129812, 162265, 174964, 218705, 236716, 242420, 259624, 295895, 324530, 349928, 437410, 473432, 484840, 591790, 649060, 874820, 1006043, 1183580, 1298120, 1749640, 2012086, 2367160, 4024172, 5030215, 8048344, 10060430, 20120860, 40241720]

約数ペア:

[(1, 40241720), (2, 20120860), (4, 10060430), (5, 8048344), (8, 5030215), (10, 4024172), (17, 2367160), (20, 2012086), (23, 1749640), (31, 1298120), (34, 1183580), (40, 1006043), (46, 874820), (62, 649060), (68, 591790), (83, 484840), (85, 473432), (92, 437410), (115, 349928), (124, 324530), (136, 295895), (155, 259624), (166, 242420), (170, 236716), (184, 218705), (230, 174964), (248, 162265), (310, 129812), (332, 121210), (340, 118358), (391, 102920), (415, 96968), (460, 87482), (527, 76360), (620, 64906), (664, 60605), (680, 59179), (713, 56440), (782, 51460), (830, 48484), (920, 43741), (1054, 38180), (1240, 32453), (1411, 28520), (1426, 28220), (1564, 25730), (1660, 24242), (1909, 21080), (1955, 20584), (2108, 19090), (2573, 15640), (2635, 15272), (2822, 14260), (2852, 14110), (3128, 12865), (3320, 12121), (3565, 11288), (3818, 10540), (3910, 10292), (4216, 9545), (5146, 7820), (5270, 7636), (5644, 7130), (5704, 7055)]