61655750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 126741888

約数和(自身を除く): 65086138

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 61, 65, 122, 125, 130, 250, 305, 311, 325, 610, 622, 650, 793, 1525, 1555, 1586, 1625, 3050, 3110, 3250, 3965, 4043, 7625, 7775, 7930, 8086, 15250, 15550, 18971, 19825, 20215, 37942, 38875, 39650, 40430, 77750, 94855, 99125, 101075, 189710, 198250, 202150, 246623, 474275, 493246, 505375, 948550, 1010750, 1233115, 2371375, 2466230, 4742750, 6165575, 12331150, 30827875, 61655750]

約数ペア:

[(1, 61655750), (2, 30827875), (5, 12331150), (10, 6165575), (13, 4742750), (25, 2466230), (26, 2371375), (50, 1233115), (61, 1010750), (65, 948550), (122, 505375), (125, 493246), (130, 474275), (250, 246623), (305, 202150), (311, 198250), (325, 189710), (610, 101075), (622, 99125), (650, 94855), (793, 77750), (1525, 40430), (1555, 39650), (1586, 38875), (1625, 37942), (3050, 20215), (3110, 19825), (3250, 18971), (3965, 15550), (4043, 15250), (7625, 8086), (7775, 7930)]