15740888920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2141}}^1\times {\mathrm{4483}}^1$

素因数の和:6676

約数の個数: 64

約数和(自身を含む): 36305871840

約数和(自身を除く): 20564982920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 2141, 4282, 4483, 8564, 8966, 10705, 17128, 17932, 21410, 22415, 35864, 42820, 44830, 85640, 87781, 89660, 175562, 179320, 183803, 351124, 367606, 438905, 702248, 735212, 877810, 919015, 1470424, 1755620, 1838030, 3511240, 3676060, 7352120, 9598103, 19196206, 38392412, 47990515, 76784824, 95981030, 191962060, 383924120, 393522223, 787044446, 1574088892, 1967611115, 3148177784, 3935222230, 7870444460, 15740888920]

約数ペア:

[(1, 15740888920), (2, 7870444460), (4, 3935222230), (5, 3148177784), (8, 1967611115), (10, 1574088892), (20, 787044446), (40, 393522223), (41, 383924120), (82, 191962060), (164, 95981030), (205, 76784824), (328, 47990515), (410, 38392412), (820, 19196206), (1640, 9598103), (2141, 7352120), (4282, 3676060), (4483, 3511240), (8564, 1838030), (8966, 1755620), (10705, 1470424), (17128, 919015), (17932, 877810), (21410, 735212), (22415, 702248), (35864, 438905), (42820, 367606), (44830, 351124), (85640, 183803), (87781, 179320), (89660, 175562)]