40824520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:167

約数の個数: 128

約数和(自身を含む): 107412480

約数和(自身を除く): 66587960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 41, 44, 55, 62, 73, 82, 88, 110, 124, 146, 155, 164, 205, 220, 248, 292, 310, 328, 341, 365, 410, 440, 451, 584, 620, 682, 730, 803, 820, 902, 1240, 1271, 1364, 1460, 1606, 1640, 1705, 1804, 2255, 2263, 2542, 2728, 2920, 2993, 3212, 3410, 3608, 4015, 4510, 4526, 5084, 5986, 6355, 6424, 6820, 8030, 9020, 9052, 10168, 11315, 11972, 12710, 13640, 13981, 14965, 16060, 18040, 18104, 22630, 23944, 24893, 25420, 27962, 29930, 32120, 32923, 45260, 49786, 50840, 55924, 59860, 65846, 69905, 90520, 92783, 99572, 111848, 119720, 124465, 131692, 139810, 164615, 185566, 199144, 248930, 263384, 279620, 329230, 371132, 463915, 497860, 559240, 658460, 742264, 927830, 995720, 1020613, 1316920, 1855660, 2041226, 3711320, 4082452, 5103065, 8164904, 10206130, 20412260, 40824520]

約数ペア:

[(1, 40824520), (2, 20412260), (4, 10206130), (5, 8164904), (8, 5103065), (10, 4082452), (11, 3711320), (20, 2041226), (22, 1855660), (31, 1316920), (40, 1020613), (41, 995720), (44, 927830), (55, 742264), (62, 658460), (73, 559240), (82, 497860), (88, 463915), (110, 371132), (124, 329230), (146, 279620), (155, 263384), (164, 248930), (205, 199144), (220, 185566), (248, 164615), (292, 139810), (310, 131692), (328, 124465), (341, 119720), (365, 111848), (410, 99572), (440, 92783), (451, 90520), (584, 69905), (620, 65846), (682, 59860), (730, 55924), (803, 50840), (820, 49786), (902, 45260), (1240, 32923), (1271, 32120), (1364, 29930), (1460, 27962), (1606, 25420), (1640, 24893), (1705, 23944), (1804, 22630), (2255, 18104), (2263, 18040), (2542, 16060), (2728, 14965), (2920, 13981), (2993, 13640), (3212, 12710), (3410, 11972), (3608, 11315), (4015, 10168), (4510, 9052), (4526, 9020), (5084, 8030), (5986, 6820), (6355, 6424)]