16397940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21023}}^1$

素因数の和:21048

約数の個数: 48

約数和(自身を含む): 49448448

約数和(自身を除く): 33050508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 21023, 42046, 63069, 84092, 105115, 126138, 210230, 252276, 273299, 315345, 420460, 546598, 630690, 819897, 1093196, 1261380, 1366495, 1639794, 2732990, 3279588, 4099485, 5465980, 8198970, 16397940]

約数ペア:

[(1, 16397940), (2, 8198970), (3, 5465980), (4, 4099485), (5, 3279588), (6, 2732990), (10, 1639794), (12, 1366495), (13, 1261380), (15, 1093196), (20, 819897), (26, 630690), (30, 546598), (39, 420460), (52, 315345), (60, 273299), (65, 252276), (78, 210230), (130, 126138), (156, 105115), (195, 84092), (260, 63069), (390, 42046), (780, 21023)]