2013189880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1109}}^1\times {\mathrm{3491}}^1$

素因数の和:4624

約数の個数: 64

約数和(自身を含む): 4883911200

約数和(自身を除く): 2870721320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1109, 2218, 3491, 4436, 5545, 6982, 8872, 11090, 13964, 14417, 17455, 22180, 27928, 28834, 34910, 44360, 45383, 57668, 69820, 72085, 90766, 115336, 139640, 144170, 181532, 226915, 288340, 363064, 453830, 576680, 907660, 1815320, 3871519, 7743038, 15486076, 19357595, 30972152, 38715190, 50329747, 77430380, 100659494, 154860760, 201318988, 251648735, 402637976, 503297470, 1006594940, 2013189880]

約数ペア:

[(1, 2013189880), (2, 1006594940), (4, 503297470), (5, 402637976), (8, 251648735), (10, 201318988), (13, 154860760), (20, 100659494), (26, 77430380), (40, 50329747), (52, 38715190), (65, 30972152), (104, 19357595), (130, 15486076), (260, 7743038), (520, 3871519), (1109, 1815320), (2218, 907660), (3491, 576680), (4436, 453830), (5545, 363064), (6982, 288340), (8872, 226915), (11090, 181532), (13964, 144170), (14417, 139640), (17455, 115336), (22180, 90766), (27928, 72085), (28834, 69820), (34910, 57668), (44360, 45383)]