78366080

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9419}}^1$

素因数の和:9451

約数の個数: 64

約数和(自身を含む): 201776400

約数和(自身を除く): 123410320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 9419, 18838, 37676, 47095, 75352, 94190, 122447, 150704, 188380, 244894, 301408, 376760, 489788, 602816, 612235, 753520, 979576, 1205632, 1224470, 1507040, 1959152, 2448940, 3014080, 3918304, 4897880, 6028160, 7836608, 9795760, 15673216, 19591520, 39183040, 78366080]

約数ペア:

[(1, 78366080), (2, 39183040), (4, 19591520), (5, 15673216), (8, 9795760), (10, 7836608), (13, 6028160), (16, 4897880), (20, 3918304), (26, 3014080), (32, 2448940), (40, 1959152), (52, 1507040), (64, 1224470), (65, 1205632), (80, 979576), (104, 753520), (128, 612235), (130, 602816), (160, 489788), (208, 376760), (260, 301408), (320, 244894), (416, 188380), (520, 150704), (640, 122447), (832, 94190), (1040, 75352), (1664, 47095), (2080, 37676), (4160, 18838), (8320, 9419)]