2120556100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{4259}}^1$

素因数の和:4669

約数の個数: 72

約数和(自身を含む): 4969681920

約数和(自身を除く): 2849125820

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 383, 650, 766, 1300, 1532, 1915, 3830, 4259, 4979, 7660, 8518, 9575, 9958, 17036, 19150, 19916, 21295, 24895, 38300, 42590, 49790, 55367, 85180, 99580, 106475, 110734, 124475, 212950, 221468, 248950, 276835, 425900, 497900, 553670, 1107340, 1384175, 1631197, 2768350, 3262394, 5536700, 6524788, 8155985, 16311970, 21205561, 32623940, 40779925, 42411122, 81559850, 84822244, 106027805, 163119700, 212055610, 424111220, 530139025, 1060278050, 2120556100]

約数ペア:

[(1, 2120556100), (2, 1060278050), (4, 530139025), (5, 424111220), (10, 212055610), (13, 163119700), (20, 106027805), (25, 84822244), (26, 81559850), (50, 42411122), (52, 40779925), (65, 32623940), (100, 21205561), (130, 16311970), (260, 8155985), (325, 6524788), (383, 5536700), (650, 3262394), (766, 2768350), (1300, 1631197), (1532, 1384175), (1915, 1107340), (3830, 553670), (4259, 497900), (4979, 425900), (7660, 276835), (8518, 248950), (9575, 221468), (9958, 212950), (17036, 124475), (19150, 110734), (19916, 106475), (21295, 99580), (24895, 85180), (38300, 55367), (42590, 49790)]