72804940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2617}}^1$

素因数の和:2746

約数の個数: 48

約数和(自身を含む): 166253472

約数和(自身を除く): 93448532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 214, 260, 428, 535, 1070, 1391, 2140, 2617, 2782, 5234, 5564, 6955, 10468, 13085, 13910, 26170, 27820, 34021, 52340, 68042, 136084, 170105, 280019, 340210, 560038, 680420, 1120076, 1400095, 2800190, 3640247, 5600380, 7280494, 14560988, 18201235, 36402470, 72804940]

約数ペア:

[(1, 72804940), (2, 36402470), (4, 18201235), (5, 14560988), (10, 7280494), (13, 5600380), (20, 3640247), (26, 2800190), (52, 1400095), (65, 1120076), (107, 680420), (130, 560038), (214, 340210), (260, 280019), (428, 170105), (535, 136084), (1070, 68042), (1391, 52340), (2140, 34021), (2617, 27820), (2782, 26170), (5234, 13910), (5564, 13085), (6955, 10468)]