25436840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4447}}^1$

素因数の和:4482

約数の個数: 64

約数和(自身を含む): 67253760

約数和(自身を除く): 41816920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 4447, 5720, 8894, 17788, 22235, 35576, 44470, 48917, 57811, 88940, 97834, 115622, 177880, 195668, 231244, 244585, 289055, 391336, 462488, 489170, 578110, 635921, 978340, 1156220, 1271842, 1956680, 2312440, 2543684, 3179605, 5087368, 6359210, 12718420, 25436840]

約数ペア:

[(1, 25436840), (2, 12718420), (4, 6359210), (5, 5087368), (8, 3179605), (10, 2543684), (11, 2312440), (13, 1956680), (20, 1271842), (22, 1156220), (26, 978340), (40, 635921), (44, 578110), (52, 489170), (55, 462488), (65, 391336), (88, 289055), (104, 244585), (110, 231244), (130, 195668), (143, 177880), (220, 115622), (260, 97834), (286, 88940), (440, 57811), (520, 48917), (572, 44470), (715, 35576), (1144, 22235), (1430, 17788), (2860, 8894), (4447, 5720)]