28791100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{22147}}^1$

素因数の和:22174

約数の個数: 36

約数和(自身を含む): 67285624

約数和(自身を除く): 38494524

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 22147, 44294, 88588, 110735, 221470, 287911, 442940, 553675, 575822, 1107350, 1151644, 1439555, 2214700, 2879110, 5758220, 7197775, 14395550, 28791100]

約数ペア:

[(1, 28791100), (2, 14395550), (4, 7197775), (5, 5758220), (10, 2879110), (13, 2214700), (20, 1439555), (25, 1151644), (26, 1107350), (50, 575822), (52, 553675), (65, 442940), (100, 287911), (130, 221470), (260, 110735), (325, 88588), (650, 44294), (1300, 22147)]