72810400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7001}}^1$

素因数の和:7034

約数の個数: 72

約数和(自身を含む): 191448684

約数和(自身を除く): 118638284

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, 7001, 10400, 14002, 28004, 35005, 56008, 70010, 91013, 112016, 140020, 175025, 182026, 224032, 280040, 350050, 364052, 455065, 560080, 700100, 728104, 910130, 1120160, 1400200, 1456208, 1820260, 2275325, 2800400, 2912416, 3640520, 4550650, 5600800, 7281040, 9101300, 14562080, 18202600, 36405200, 72810400]

約数ペア:

[(1, 72810400), (2, 36405200), (4, 18202600), (5, 14562080), (8, 9101300), (10, 7281040), (13, 5600800), (16, 4550650), (20, 3640520), (25, 2912416), (26, 2800400), (32, 2275325), (40, 1820260), (50, 1456208), (52, 1400200), (65, 1120160), (80, 910130), (100, 728104), (104, 700100), (130, 560080), (160, 455065), (200, 364052), (208, 350050), (260, 280040), (325, 224032), (400, 182026), (416, 175025), (520, 140020), (650, 112016), (800, 91013), (1040, 70010), (1300, 56008), (2080, 35005), (2600, 28004), (5200, 14002), (7001, 10400)]