128679200

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{12373}}^1$

素因数の和:12406

約数の個数: 72

約数和(自身を含む): 338329908

約数和(自身を除く): 209650708

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 5200, 10400, 12373, 24746, 49492, 61865, 98984, 123730, 160849, 197968, 247460, 309325, 321698, 395936, 494920, 618650, 643396, 804245, 989840, 1237300, 1286792, 1608490, 1979680, 2474600, 2573584, 3216980, 4021225, 4949200, 5147168, 6433960, 8042450, 9898400, 12867920, 16084900, 25735840, 32169800, 64339600, 128679200]

約数ペア:

[(1, 128679200), (2, 64339600), (4, 32169800), (5, 25735840), (8, 16084900), (10, 12867920), (13, 9898400), (16, 8042450), (20, 6433960), (25, 5147168), (26, 4949200), (32, 4021225), (40, 3216980), (50, 2573584), (52, 2474600), (65, 1979680), (80, 1608490), (100, 1286792), (104, 1237300), (130, 989840), (160, 804245), (200, 643396), (208, 618650), (260, 494920), (325, 395936), (400, 321698), (416, 309325), (520, 247460), (650, 197968), (800, 160849), (1040, 123730), (1300, 98984), (2080, 61865), (2600, 49492), (5200, 24746), (10400, 12373)]