2061800

素因数分解:

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

素因数の和:103

約数の個数: 72

約数和(自身を含む): 5275890

約数和(自身を除く): 3214090

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 61, 65, 100, 104, 122, 130, 169, 200, 244, 260, 305, 325, 338, 488, 520, 610, 650, 676, 793, 845, 1220, 1300, 1352, 1525, 1586, 1690, 2440, 2600, 3050, 3172, 3380, 3965, 4225, 6100, 6344, 6760, 7930, 8450, 10309, 12200, 15860, 16900, 19825, 20618, 31720, 33800, 39650, 41236, 51545, 79300, 82472, 103090, 158600, 206180, 257725, 412360, 515450, 1030900, 2061800]

約数ペア:

[(1, 2061800), (2, 1030900), (4, 515450), (5, 412360), (8, 257725), (10, 206180), (13, 158600), (20, 103090), (25, 82472), (26, 79300), (40, 51545), (50, 41236), (52, 39650), (61, 33800), (65, 31720), (100, 20618), (104, 19825), (122, 16900), (130, 15860), (169, 12200), (200, 10309), (244, 8450), (260, 7930), (305, 6760), (325, 6344), (338, 6100), (488, 4225), (520, 3965), (610, 3380), (650, 3172), (676, 3050), (793, 2600), (845, 2440), (1220, 1690), (1300, 1586), (1352, 1525)]