39842440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:203

約数の個数: 128

約数和(自身を含む): 106168320

約数和(自身を除く): 66325880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 31, 40, 44, 46, 55, 62, 88, 92, 110, 115, 124, 127, 155, 184, 220, 230, 248, 253, 254, 310, 341, 440, 460, 506, 508, 620, 635, 682, 713, 920, 1012, 1016, 1240, 1265, 1270, 1364, 1397, 1426, 1705, 2024, 2530, 2540, 2728, 2794, 2852, 2921, 3410, 3565, 3937, 5060, 5080, 5588, 5704, 5842, 6820, 6985, 7130, 7843, 7874, 10120, 11176, 11684, 13640, 13970, 14260, 14605, 15686, 15748, 19685, 23368, 27940, 28520, 29210, 31372, 31496, 32131, 39215, 39370, 43307, 55880, 58420, 62744, 64262, 78430, 78740, 86614, 90551, 116840, 128524, 156860, 157480, 160655, 173228, 181102, 216535, 257048, 313720, 321310, 346456, 362204, 433070, 452755, 642620, 724408, 866140, 905510, 996061, 1285240, 1732280, 1811020, 1992122, 3622040, 3984244, 4980305, 7968488, 9960610, 19921220, 39842440]

約数ペア:

[(1, 39842440), (2, 19921220), (4, 9960610), (5, 7968488), (8, 4980305), (10, 3984244), (11, 3622040), (20, 1992122), (22, 1811020), (23, 1732280), (31, 1285240), (40, 996061), (44, 905510), (46, 866140), (55, 724408), (62, 642620), (88, 452755), (92, 433070), (110, 362204), (115, 346456), (124, 321310), (127, 313720), (155, 257048), (184, 216535), (220, 181102), (230, 173228), (248, 160655), (253, 157480), (254, 156860), (310, 128524), (341, 116840), (440, 90551), (460, 86614), (506, 78740), (508, 78430), (620, 64262), (635, 62744), (682, 58420), (713, 55880), (920, 43307), (1012, 39370), (1016, 39215), (1240, 32131), (1265, 31496), (1270, 31372), (1364, 29210), (1397, 28520), (1426, 27940), (1705, 23368), (2024, 19685), (2530, 15748), (2540, 15686), (2728, 14605), (2794, 14260), (2852, 13970), (2921, 13640), (3410, 11684), (3565, 11176), (3937, 10120), (5060, 7874), (5080, 7843), (5588, 7130), (5704, 6985), (5842, 6820)]