40838980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1181}}^1$

素因数の和:1229

約数の個数: 96

約数和(自身を含む): 111202560

約数和(自身を除く): 70363580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 247, 260, 266, 364, 380, 455, 494, 532, 665, 910, 988, 1181, 1235, 1330, 1729, 1820, 2362, 2470, 2660, 3458, 4724, 4940, 5905, 6916, 8267, 8645, 11810, 15353, 16534, 17290, 22439, 23620, 30706, 33068, 34580, 41335, 44878, 61412, 76765, 82670, 89756, 107471, 112195, 153530, 157073, 165340, 214942, 224390, 291707, 307060, 314146, 429884, 448780, 537355, 583414, 628292, 785365, 1074710, 1166828, 1458535, 1570730, 2041949, 2149420, 2917070, 3141460, 4083898, 5834140, 8167796, 10209745, 20419490, 40838980]

約数ペア:

[(1, 40838980), (2, 20419490), (4, 10209745), (5, 8167796), (7, 5834140), (10, 4083898), (13, 3141460), (14, 2917070), (19, 2149420), (20, 2041949), (26, 1570730), (28, 1458535), (35, 1166828), (38, 1074710), (52, 785365), (65, 628292), (70, 583414), (76, 537355), (91, 448780), (95, 429884), (130, 314146), (133, 307060), (140, 291707), (182, 224390), (190, 214942), (247, 165340), (260, 157073), (266, 153530), (364, 112195), (380, 107471), (455, 89756), (494, 82670), (532, 76765), (665, 61412), (910, 44878), (988, 41335), (1181, 34580), (1235, 33068), (1330, 30706), (1729, 23620), (1820, 22439), (2362, 17290), (2470, 16534), (2660, 15353), (3458, 11810), (4724, 8645), (4940, 8267), (5905, 6916)]