89315980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{7309}}^1$

素因数の和:7378

約数の個数: 48

約数和(自身を含む): 206317440

約数和(自身を除く): 117001460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 6110, 7309, 12220, 14618, 29236, 36545, 73090, 95017, 146180, 190034, 343523, 380068, 475085, 687046, 950170, 1374092, 1717615, 1900340, 3435230, 4465799, 6870460, 8931598, 17863196, 22328995, 44657990, 89315980]

約数ペア:

[(1, 89315980), (2, 44657990), (4, 22328995), (5, 17863196), (10, 8931598), (13, 6870460), (20, 4465799), (26, 3435230), (47, 1900340), (52, 1717615), (65, 1374092), (94, 950170), (130, 687046), (188, 475085), (235, 380068), (260, 343523), (470, 190034), (611, 146180), (940, 95017), (1222, 73090), (2444, 36545), (3055, 29236), (6110, 14618), (7309, 12220)]