1586000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:97

約数の個数: 80

約数和(自身を含む): 4197648

約数和(自身を除く): 2611648

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 61, 65, 80, 100, 104, 122, 125, 130, 200, 208, 244, 250, 260, 305, 325, 400, 488, 500, 520, 610, 650, 793, 976, 1000, 1040, 1220, 1300, 1525, 1586, 1625, 2000, 2440, 2600, 3050, 3172, 3250, 3965, 4880, 5200, 6100, 6344, 6500, 7625, 7930, 12200, 12688, 13000, 15250, 15860, 19825, 24400, 26000, 30500, 31720, 39650, 61000, 63440, 79300, 99125, 122000, 158600, 198250, 317200, 396500, 793000, 1586000]

約数ペア:

[(1, 1586000), (2, 793000), (4, 396500), (5, 317200), (8, 198250), (10, 158600), (13, 122000), (16, 99125), (20, 79300), (25, 63440), (26, 61000), (40, 39650), (50, 31720), (52, 30500), (61, 26000), (65, 24400), (80, 19825), (100, 15860), (104, 15250), (122, 13000), (125, 12688), (130, 12200), (200, 7930), (208, 7625), (244, 6500), (250, 6344), (260, 6100), (305, 5200), (325, 4880), (400, 3965), (488, 3250), (500, 3172), (520, 3050), (610, 2600), (650, 2440), (793, 2000), (976, 1625), (1000, 1586), (1040, 1525), (1220, 1300)]