85718720

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8641}}^1$

素因数の和:8689

約数の個数: 56

約数和(自身を含む): 210726528

約数和(自身を除く): 125007808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 8641, 9920, 17282, 34564, 43205, 69128, 86410, 138256, 172820, 267871, 276512, 345640, 535742, 553024, 691280, 1071484, 1339355, 1382560, 2142968, 2678710, 2765120, 4285936, 5357420, 8571872, 10714840, 17143744, 21429680, 42859360, 85718720]

約数ペア:

[(1, 85718720), (2, 42859360), (4, 21429680), (5, 17143744), (8, 10714840), (10, 8571872), (16, 5357420), (20, 4285936), (31, 2765120), (32, 2678710), (40, 2142968), (62, 1382560), (64, 1339355), (80, 1071484), (124, 691280), (155, 553024), (160, 535742), (248, 345640), (310, 276512), (320, 267871), (496, 172820), (620, 138256), (992, 86410), (1240, 69128), (1984, 43205), (2480, 34564), (4960, 17282), (8641, 9920)]