25322440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1$

素因数の和:287

約数の個数: 128

約数和(自身を含む): 70761600

約数和(自身を除く): 45439160

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 19, 20, 22, 26, 38, 40, 44, 52, 55, 65, 76, 88, 95, 104, 110, 130, 143, 152, 190, 209, 220, 233, 247, 260, 286, 380, 418, 440, 466, 494, 520, 572, 715, 760, 836, 932, 988, 1045, 1144, 1165, 1235, 1430, 1672, 1864, 1976, 2090, 2330, 2470, 2563, 2717, 2860, 3029, 4180, 4427, 4660, 4940, 5126, 5434, 5720, 6058, 8360, 8854, 9320, 9880, 10252, 10868, 12116, 12815, 13585, 15145, 17708, 20504, 21736, 22135, 24232, 25630, 27170, 30290, 33319, 35416, 44270, 48697, 51260, 54340, 57551, 60580, 66638, 88540, 97394, 102520, 108680, 115102, 121160, 133276, 166595, 177080, 194788, 230204, 243485, 266552, 287755, 333190, 389576, 460408, 486970, 575510, 633061, 666380, 973940, 1151020, 1266122, 1332760, 1947880, 2302040, 2532244, 3165305, 5064488, 6330610, 12661220, 25322440]

約数ペア:

[(1, 25322440), (2, 12661220), (4, 6330610), (5, 5064488), (8, 3165305), (10, 2532244), (11, 2302040), (13, 1947880), (19, 1332760), (20, 1266122), (22, 1151020), (26, 973940), (38, 666380), (40, 633061), (44, 575510), (52, 486970), (55, 460408), (65, 389576), (76, 333190), (88, 287755), (95, 266552), (104, 243485), (110, 230204), (130, 194788), (143, 177080), (152, 166595), (190, 133276), (209, 121160), (220, 115102), (233, 108680), (247, 102520), (260, 97394), (286, 88540), (380, 66638), (418, 60580), (440, 57551), (466, 54340), (494, 51260), (520, 48697), (572, 44270), (715, 35416), (760, 33319), (836, 30290), (932, 27170), (988, 25630), (1045, 24232), (1144, 22135), (1165, 21736), (1235, 20504), (1430, 17708), (1672, 15145), (1864, 13585), (1976, 12815), (2090, 12116), (2330, 10868), (2470, 10252), (2563, 9880), (2717, 9320), (2860, 8854), (3029, 8360), (4180, 6058), (4427, 5720), (4660, 5434), (4940, 5126)]