203776640

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10271}}^1$

素因数の和:10321

約数の個数: 64

約数和(自身を含む): 502917120

約数和(自身を除く): 299140480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 10271, 19840, 20542, 41084, 51355, 82168, 102710, 164336, 205420, 318401, 328672, 410840, 636802, 657344, 821680, 1273604, 1314688, 1592005, 1643360, 2547208, 3184010, 3286720, 5094416, 6368020, 6573440, 10188832, 12736040, 20377664, 25472080, 40755328, 50944160, 101888320, 203776640]

約数ペア:

[(1, 203776640), (2, 101888320), (4, 50944160), (5, 40755328), (8, 25472080), (10, 20377664), (16, 12736040), (20, 10188832), (31, 6573440), (32, 6368020), (40, 5094416), (62, 3286720), (64, 3184010), (80, 2547208), (124, 1643360), (128, 1592005), (155, 1314688), (160, 1273604), (248, 821680), (310, 657344), (320, 636802), (496, 410840), (620, 328672), (640, 318401), (992, 205420), (1240, 164336), (1984, 102710), (2480, 82168), (3968, 51355), (4960, 41084), (9920, 20542), (10271, 19840)]