1377870640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{555593}}^1$

素因数の和:555637

約数の個数: 40

約数和(自身を含む): 3306895488

約数和(自身を除く): 1929024848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 555593, 1111186, 2222372, 2777965, 4444744, 5555930, 8889488, 11111860, 17223383, 22223720, 34446766, 44447440, 68893532, 86116915, 137787064, 172233830, 275574128, 344467660, 688935320, 1377870640]

約数ペア:

[(1, 1377870640), (2, 688935320), (4, 344467660), (5, 275574128), (8, 172233830), (10, 137787064), (16, 86116915), (20, 68893532), (31, 44447440), (40, 34446766), (62, 22223720), (80, 17223383), (124, 11111860), (155, 8889488), (248, 5555930), (310, 4444744), (496, 2777965), (620, 2222372), (1240, 1111186), (2480, 555593)]