39420640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{577}}^1$

素因数の和:660

約数の個数: 96

約数和(自身を含む): 108368064

約数和(自身を除く): 68947424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 70, 80, 112, 122, 140, 160, 224, 244, 280, 305, 427, 488, 560, 577, 610, 854, 976, 1120, 1154, 1220, 1708, 1952, 2135, 2308, 2440, 2885, 3416, 4039, 4270, 4616, 4880, 5770, 6832, 8078, 8540, 9232, 9760, 11540, 13664, 16156, 17080, 18464, 20195, 23080, 32312, 34160, 35197, 40390, 46160, 64624, 68320, 70394, 80780, 92320, 129248, 140788, 161560, 175985, 246379, 281576, 323120, 351970, 492758, 563152, 646240, 703940, 985516, 1126304, 1231895, 1407880, 1971032, 2463790, 2815760, 3942064, 4927580, 5631520, 7884128, 9855160, 19710320, 39420640]

約数ペア:

[(1, 39420640), (2, 19710320), (4, 9855160), (5, 7884128), (7, 5631520), (8, 4927580), (10, 3942064), (14, 2815760), (16, 2463790), (20, 1971032), (28, 1407880), (32, 1231895), (35, 1126304), (40, 985516), (56, 703940), (61, 646240), (70, 563152), (80, 492758), (112, 351970), (122, 323120), (140, 281576), (160, 246379), (224, 175985), (244, 161560), (280, 140788), (305, 129248), (427, 92320), (488, 80780), (560, 70394), (577, 68320), (610, 64624), (854, 46160), (976, 40390), (1120, 35197), (1154, 34160), (1220, 32312), (1708, 23080), (1952, 20195), (2135, 18464), (2308, 17080), (2440, 16156), (2885, 13664), (3416, 11540), (4039, 9760), (4270, 9232), (4616, 8540), (4880, 8078), (5770, 6832)]