25173760

素因数分解:

$2^8\times 5^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 61369056

約数和(自身を除く): 36195296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 277, 284, 320, 355, 554, 568, 640, 710, 1108, 1136, 1280, 1385, 1420, 2216, 2272, 2770, 2840, 4432, 4544, 5540, 5680, 8864, 9088, 11080, 11360, 17728, 18176, 19667, 22160, 22720, 35456, 39334, 44320, 45440, 70912, 78668, 88640, 90880, 98335, 157336, 177280, 196670, 314672, 354560, 393340, 629344, 786680, 1258688, 1573360, 2517376, 3146720, 5034752, 6293440, 12586880, 25173760]

約数ペア:

[(1, 25173760), (2, 12586880), (4, 6293440), (5, 5034752), (8, 3146720), (10, 2517376), (16, 1573360), (20, 1258688), (32, 786680), (40, 629344), (64, 393340), (71, 354560), (80, 314672), (128, 196670), (142, 177280), (160, 157336), (256, 98335), (277, 90880), (284, 88640), (320, 78668), (355, 70912), (554, 45440), (568, 44320), (640, 39334), (710, 35456), (1108, 22720), (1136, 22160), (1280, 19667), (1385, 18176), (1420, 17728), (2216, 11360), (2272, 11080), (2770, 9088), (2840, 8864), (4432, 5680), (4544, 5540)]