426450020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{593}}^1\times {\mathrm{877}}^1$

素因数の和:1520

約数の個数: 48

約数和(自身を含む): 919982448

約数和(自身を除く): 493532428

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 593, 820, 877, 1186, 1754, 2372, 2965, 3508, 4385, 5930, 8770, 11860, 17540, 24313, 35957, 48626, 71914, 97252, 121565, 143828, 179785, 243130, 359570, 486260, 520061, 719140, 1040122, 2080244, 2600305, 5200610, 10401220, 21322501, 42645002, 85290004, 106612505, 213225010, 426450020]

約数ペア:

[(1, 426450020), (2, 213225010), (4, 106612505), (5, 85290004), (10, 42645002), (20, 21322501), (41, 10401220), (82, 5200610), (164, 2600305), (205, 2080244), (410, 1040122), (593, 719140), (820, 520061), (877, 486260), (1186, 359570), (1754, 243130), (2372, 179785), (2965, 143828), (3508, 121565), (4385, 97252), (5930, 71914), (8770, 48626), (11860, 35957), (17540, 24313)]