28898480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{751}}^1$

素因数の和:814

約数の個数: 80

約数和(自身を含む): 74411904

約数和(自身を除く): 45513424

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 751, 962, 1040, 1480, 1502, 1924, 2405, 2960, 3004, 3755, 3848, 4810, 6008, 7510, 7696, 9620, 9763, 12016, 15020, 19240, 19526, 27787, 30040, 38480, 39052, 48815, 55574, 60080, 78104, 97630, 111148, 138935, 156208, 195260, 222296, 277870, 361231, 390520, 444592, 555740, 722462, 781040, 1111480, 1444924, 1806155, 2222960, 2889848, 3612310, 5779696, 7224620, 14449240, 28898480]

約数ペア:

[(1, 28898480), (2, 14449240), (4, 7224620), (5, 5779696), (8, 3612310), (10, 2889848), (13, 2222960), (16, 1806155), (20, 1444924), (26, 1111480), (37, 781040), (40, 722462), (52, 555740), (65, 444592), (74, 390520), (80, 361231), (104, 277870), (130, 222296), (148, 195260), (185, 156208), (208, 138935), (260, 111148), (296, 97630), (370, 78104), (481, 60080), (520, 55574), (592, 48815), (740, 39052), (751, 38480), (962, 30040), (1040, 27787), (1480, 19526), (1502, 19240), (1924, 15020), (2405, 12016), (2960, 9763), (3004, 9620), (3755, 7696), (3848, 7510), (4810, 6008)]