15661750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:170

約数の個数: 64

約数和(自身を含む): 32497920

約数和(自身を除く): 16836170

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 61, 65, 79, 122, 125, 130, 158, 250, 305, 325, 395, 610, 650, 790, 793, 1027, 1525, 1586, 1625, 1975, 2054, 3050, 3250, 3950, 3965, 4819, 5135, 7625, 7930, 9638, 9875, 10270, 15250, 19750, 19825, 24095, 25675, 39650, 48190, 51350, 62647, 99125, 120475, 125294, 128375, 198250, 240950, 256750, 313235, 602375, 626470, 1204750, 1566175, 3132350, 7830875, 15661750]

約数ペア:

[(1, 15661750), (2, 7830875), (5, 3132350), (10, 1566175), (13, 1204750), (25, 626470), (26, 602375), (50, 313235), (61, 256750), (65, 240950), (79, 198250), (122, 128375), (125, 125294), (130, 120475), (158, 99125), (250, 62647), (305, 51350), (325, 48190), (395, 39650), (610, 25675), (650, 24095), (790, 19825), (793, 19750), (1027, 15250), (1525, 10270), (1586, 9875), (1625, 9638), (1975, 7930), (2054, 7625), (3050, 5135), (3250, 4819), (3950, 3965)]