38919976720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15693539}}^1$

素因数の和:15693583

約数の個数: 40

約数和(自身を含む): 93407950080

約数和(自身を除く): 54487973360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 15693539, 31387078, 62774156, 78467695, 125548312, 156935390, 251096624, 313870780, 486499709, 627741560, 972999418, 1255483120, 1945998836, 2432498545, 3891997672, 4864997090, 7783995344, 9729994180, 19459988360, 38919976720]

約数ペア:

[(1, 38919976720), (2, 19459988360), (4, 9729994180), (5, 7783995344), (8, 4864997090), (10, 3891997672), (16, 2432498545), (20, 1945998836), (31, 1255483120), (40, 972999418), (62, 627741560), (80, 486499709), (124, 313870780), (155, 251096624), (248, 156935390), (310, 125548312), (496, 78467695), (620, 62774156), (1240, 31387078), (2480, 15693539)]