71396720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28789}}^1$

素因数の和:28833

約数の個数: 40

約数和(自身を含む): 171358080

約数和(自身を除く): 99961360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 28789, 57578, 115156, 143945, 230312, 287890, 460624, 575780, 892459, 1151560, 1784918, 2303120, 3569836, 4462295, 7139672, 8924590, 14279344, 17849180, 35698360, 71396720]

約数ペア:

[(1, 71396720), (2, 35698360), (4, 17849180), (5, 14279344), (8, 8924590), (10, 7139672), (16, 4462295), (20, 3569836), (31, 2303120), (40, 1784918), (62, 1151560), (80, 892459), (124, 575780), (155, 460624), (248, 287890), (310, 230312), (496, 143945), (620, 115156), (1240, 57578), (2480, 28789)]