25153180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1087}}^1$

素因数の和:1198

約数の個数: 48

約数和(自身を含む): 57576960

約数和(自身を除く): 32423780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1087, 1157, 1780, 2174, 2314, 4348, 4628, 5435, 5785, 10870, 11570, 14131, 21740, 23140, 28262, 56524, 70655, 96743, 141310, 193486, 282620, 386972, 483715, 967430, 1257659, 1934860, 2515318, 5030636, 6288295, 12576590, 25153180]

約数ペア:

[(1, 25153180), (2, 12576590), (4, 6288295), (5, 5030636), (10, 2515318), (13, 1934860), (20, 1257659), (26, 967430), (52, 483715), (65, 386972), (89, 282620), (130, 193486), (178, 141310), (260, 96743), (356, 70655), (445, 56524), (890, 28262), (1087, 23140), (1157, 21740), (1780, 14131), (2174, 11570), (2314, 10870), (4348, 5785), (4628, 5435)]