1919061040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{9661}}^1$

素因数の和:9878

約数の個数: 80

約数和(自身を含む): 4830690816

約数和(自身を除く): 2911629776

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 191, 208, 260, 382, 520, 764, 955, 1040, 1528, 1910, 2483, 3056, 3820, 4966, 7640, 9661, 9932, 12415, 15280, 19322, 19864, 24830, 38644, 39728, 48305, 49660, 77288, 96610, 99320, 125593, 154576, 193220, 198640, 251186, 386440, 502372, 627965, 772880, 1004744, 1255930, 1845251, 2009488, 2511860, 3690502, 5023720, 7381004, 9226255, 10047440, 14762008, 18452510, 23988263, 29524016, 36905020, 47976526, 73810040, 95953052, 119941315, 147620080, 191906104, 239882630, 383812208, 479765260, 959530520, 1919061040]

約数ペア:

[(1, 1919061040), (2, 959530520), (4, 479765260), (5, 383812208), (8, 239882630), (10, 191906104), (13, 147620080), (16, 119941315), (20, 95953052), (26, 73810040), (40, 47976526), (52, 36905020), (65, 29524016), (80, 23988263), (104, 18452510), (130, 14762008), (191, 10047440), (208, 9226255), (260, 7381004), (382, 5023720), (520, 3690502), (764, 2511860), (955, 2009488), (1040, 1845251), (1528, 1255930), (1910, 1004744), (2483, 772880), (3056, 627965), (3820, 502372), (4966, 386440), (7640, 251186), (9661, 198640), (9932, 193220), (12415, 154576), (15280, 125593), (19322, 99320), (19864, 96610), (24830, 77288), (38644, 49660), (39728, 48305)]