79729520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2473}}^1$

素因数の和:2530

約数の個数: 80

約数和(自身を含む): 206153472

約数和(自身を除く): 126423952

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2473, 2480, 3224, 4030, 4946, 6448, 8060, 9892, 12365, 16120, 19784, 24730, 32149, 32240, 39568, 49460, 64298, 76663, 98920, 128596, 153326, 160745, 197840, 257192, 306652, 321490, 383315, 514384, 613304, 642980, 766630, 996619, 1226608, 1285960, 1533260, 1993238, 2571920, 3066520, 3986476, 4983095, 6133040, 7972952, 9966190, 15945904, 19932380, 39864760, 79729520]

約数ペア:

[(1, 79729520), (2, 39864760), (4, 19932380), (5, 15945904), (8, 9966190), (10, 7972952), (13, 6133040), (16, 4983095), (20, 3986476), (26, 3066520), (31, 2571920), (40, 1993238), (52, 1533260), (62, 1285960), (65, 1226608), (80, 996619), (104, 766630), (124, 642980), (130, 613304), (155, 514384), (208, 383315), (248, 321490), (260, 306652), (310, 257192), (403, 197840), (496, 160745), (520, 153326), (620, 128596), (806, 98920), (1040, 76663), (1240, 64298), (1612, 49460), (2015, 39568), (2473, 32240), (2480, 32149), (3224, 24730), (4030, 19784), (4946, 16120), (6448, 12365), (8060, 9892)]