16631940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21323}}^1$

素因数の和:21348

約数の個数: 48

約数和(自身を含む): 50154048

約数和(自身を除く): 33522108

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, 21323, 42646, 63969, 85292, 106615, 127938, 213230, 255876, 277199, 319845, 426460, 554398, 639690, 831597, 1108796, 1279380, 1385995, 1663194, 2771990, 3326388, 4157985, 5543980, 8315970, 16631940]

約数ペア:

[(1, 16631940), (2, 8315970), (3, 5543980), (4, 4157985), (5, 3326388), (6, 2771990), (10, 1663194), (12, 1385995), (13, 1279380), (15, 1108796), (20, 831597), (26, 639690), (30, 554398), (39, 426460), (52, 319845), (60, 277199), (65, 255876), (78, 213230), (130, 127938), (156, 106615), (195, 85292), (260, 63969), (390, 42646), (780, 21323)]