78669760

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18911}}^1$

素因数の和:18941

約数の個数: 56

約数和(自身を含む): 201753216

約数和(自身を除く): 123083456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 18911, 37822, 75644, 94555, 151288, 189110, 245843, 302576, 378220, 491686, 605152, 756440, 983372, 1210304, 1229215, 1512880, 1966744, 2458430, 3025760, 3933488, 4916860, 6051520, 7866976, 9833720, 15733952, 19667440, 39334880, 78669760]

約数ペア:

[(1, 78669760), (2, 39334880), (4, 19667440), (5, 15733952), (8, 9833720), (10, 7866976), (13, 6051520), (16, 4916860), (20, 3933488), (26, 3025760), (32, 2458430), (40, 1966744), (52, 1512880), (64, 1229215), (65, 1210304), (80, 983372), (104, 756440), (130, 605152), (160, 491686), (208, 378220), (260, 302576), (320, 245843), (416, 189110), (520, 151288), (832, 94555), (1040, 75644), (2080, 37822), (4160, 18911)]