79128400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{15217}}^1$

素因数の和:15248

約数の個数: 60

約数和(自身を含む): 204742972

約数和(自身を除く): 125614572

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 15217, 30434, 60868, 76085, 121736, 152170, 197821, 243472, 304340, 380425, 395642, 608680, 760850, 791284, 989105, 1217360, 1521700, 1582568, 1978210, 3043400, 3165136, 3956420, 4945525, 6086800, 7912840, 9891050, 15825680, 19782100, 39564200, 79128400]

約数ペア:

[(1, 79128400), (2, 39564200), (4, 19782100), (5, 15825680), (8, 9891050), (10, 7912840), (13, 6086800), (16, 4945525), (20, 3956420), (25, 3165136), (26, 3043400), (40, 1978210), (50, 1582568), (52, 1521700), (65, 1217360), (80, 989105), (100, 791284), (104, 760850), (130, 608680), (200, 395642), (208, 380425), (260, 304340), (325, 243472), (400, 197821), (520, 152170), (650, 121736), (1040, 76085), (1300, 60868), (2600, 30434), (5200, 15217)]