2009263750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2027}}^1$

素因数の和:2123

約数の個数: 80

約数和(自身を含む): 4124392272

約数和(自身を除く): 2115128522

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 61, 65, 122, 125, 130, 250, 305, 325, 610, 625, 650, 793, 1250, 1525, 1586, 1625, 2027, 3050, 3250, 3965, 4054, 7625, 7930, 8125, 10135, 15250, 16250, 19825, 20270, 26351, 38125, 39650, 50675, 52702, 76250, 99125, 101350, 123647, 131755, 198250, 247294, 253375, 263510, 495625, 506750, 618235, 658775, 991250, 1236470, 1266875, 1317550, 1607411, 2533750, 3091175, 3214822, 3293875, 6182350, 6587750, 8037055, 15455875, 16074110, 16469375, 30911750, 32938750, 40185275, 77279375, 80370550, 154558750, 200926375, 401852750, 1004631875, 2009263750]

約数ペア:

[(1, 2009263750), (2, 1004631875), (5, 401852750), (10, 200926375), (13, 154558750), (25, 80370550), (26, 77279375), (50, 40185275), (61, 32938750), (65, 30911750), (122, 16469375), (125, 16074110), (130, 15455875), (250, 8037055), (305, 6587750), (325, 6182350), (610, 3293875), (625, 3214822), (650, 3091175), (793, 2533750), (1250, 1607411), (1525, 1317550), (1586, 1266875), (1625, 1236470), (2027, 991250), (3050, 658775), (3250, 618235), (3965, 506750), (4054, 495625), (7625, 263510), (7930, 253375), (8125, 247294), (10135, 198250), (15250, 131755), (16250, 123647), (19825, 101350), (20270, 99125), (26351, 76250), (38125, 52702), (39650, 50675)]