39840520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1429}}^1$

素因数の和:1498

約数の個数: 64

約数和(自身を含む): 97297200

約数和(自身を除く): 57456680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 328, 340, 410, 680, 697, 820, 1394, 1429, 1640, 2788, 2858, 3485, 5576, 5716, 6970, 7145, 11432, 13940, 14290, 24293, 27880, 28580, 48586, 57160, 58589, 97172, 117178, 121465, 194344, 234356, 242930, 292945, 468712, 485860, 585890, 971720, 996013, 1171780, 1992026, 2343560, 3984052, 4980065, 7968104, 9960130, 19920260, 39840520]

約数ペア:

[(1, 39840520), (2, 19920260), (4, 9960130), (5, 7968104), (8, 4980065), (10, 3984052), (17, 2343560), (20, 1992026), (34, 1171780), (40, 996013), (41, 971720), (68, 585890), (82, 485860), (85, 468712), (136, 292945), (164, 242930), (170, 234356), (205, 194344), (328, 121465), (340, 117178), (410, 97172), (680, 58589), (697, 57160), (820, 48586), (1394, 28580), (1429, 27880), (1640, 24293), (2788, 14290), (2858, 13940), (3485, 11432), (5576, 7145), (5716, 6970)]