25866880

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3109}}^1$

素因数の和:3141

約数の個数: 64

約数和(自身を含む): 66616200

約数和(自身を除く): 40749320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 3109, 4160, 6218, 8320, 12436, 15545, 24872, 31090, 40417, 49744, 62180, 80834, 99488, 124360, 161668, 198976, 202085, 248720, 323336, 397952, 404170, 497440, 646672, 808340, 994880, 1293344, 1616680, 1989760, 2586688, 3233360, 5173376, 6466720, 12933440, 25866880]

約数ペア:

[(1, 25866880), (2, 12933440), (4, 6466720), (5, 5173376), (8, 3233360), (10, 2586688), (13, 1989760), (16, 1616680), (20, 1293344), (26, 994880), (32, 808340), (40, 646672), (52, 497440), (64, 404170), (65, 397952), (80, 323336), (104, 248720), (128, 202085), (130, 198976), (160, 161668), (208, 124360), (260, 99488), (320, 80834), (416, 62180), (520, 49744), (640, 40417), (832, 31090), (1040, 24872), (1664, 15545), (2080, 12436), (3109, 8320), (4160, 6218)]