2021808640

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{46457}}^1$

素因数の和:46497

約数の個数: 80

約数和(自身を含む): 5132865672

約数和(自身を除く): 3111057032

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1088, 1280, 1360, 2176, 2560, 2720, 4352, 5440, 8704, 10880, 21760, 43520, 46457, 92914, 185828, 232285, 371656, 464570, 743312, 789769, 929140, 1486624, 1579538, 1858280, 2973248, 3159076, 3716560, 3948845, 5946496, 6318152, 7433120, 7897690, 11892992, 12636304, 14866240, 15795380, 23785984, 25272608, 29732480, 31590760, 50545216, 59464960, 63181520, 101090432, 118929920, 126363040, 202180864, 252726080, 404361728, 505452160, 1010904320, 2021808640]

約数ペア:

[(1, 2021808640), (2, 1010904320), (4, 505452160), (5, 404361728), (8, 252726080), (10, 202180864), (16, 126363040), (17, 118929920), (20, 101090432), (32, 63181520), (34, 59464960), (40, 50545216), (64, 31590760), (68, 29732480), (80, 25272608), (85, 23785984), (128, 15795380), (136, 14866240), (160, 12636304), (170, 11892992), (256, 7897690), (272, 7433120), (320, 6318152), (340, 5946496), (512, 3948845), (544, 3716560), (640, 3159076), (680, 2973248), (1088, 1858280), (1280, 1579538), (1360, 1486624), (2176, 929140), (2560, 789769), (2720, 743312), (4352, 464570), (5440, 371656), (8704, 232285), (10880, 185828), (21760, 92914), (43520, 46457)]