25635560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 61560000

約数和(自身を除く): 35924440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 89, 95, 152, 178, 190, 356, 379, 380, 445, 712, 758, 760, 890, 1516, 1691, 1780, 1895, 3032, 3382, 3560, 3790, 6764, 7201, 7580, 8455, 13528, 14402, 15160, 16910, 28804, 33731, 33820, 36005, 57608, 67462, 67640, 72010, 134924, 144020, 168655, 269848, 288040, 337310, 640889, 674620, 1281778, 1349240, 2563556, 3204445, 5127112, 6408890, 12817780, 25635560]

約数ペア:

[(1, 25635560), (2, 12817780), (4, 6408890), (5, 5127112), (8, 3204445), (10, 2563556), (19, 1349240), (20, 1281778), (38, 674620), (40, 640889), (76, 337310), (89, 288040), (95, 269848), (152, 168655), (178, 144020), (190, 134924), (356, 72010), (379, 67640), (380, 67462), (445, 57608), (712, 36005), (758, 33820), (760, 33731), (890, 28804), (1516, 16910), (1691, 15160), (1780, 14402), (1895, 13528), (3032, 8455), (3382, 7580), (3560, 7201), (3790, 6764)]