887059940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{64373}}^1$

素因数の和:64448

約数の個数: 48

約数和(自身を含む): 2044003248

約数和(自身を除く): 1156943308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 6890, 13780, 64373, 128746, 257492, 321865, 643730, 836849, 1287460, 1673698, 3347396, 3411769, 4184245, 6823538, 8368490, 13647076, 16736980, 17058845, 34117690, 44352997, 68235380, 88705994, 177411988, 221764985, 443529970, 887059940]

約数ペア:

[(1, 887059940), (2, 443529970), (4, 221764985), (5, 177411988), (10, 88705994), (13, 68235380), (20, 44352997), (26, 34117690), (52, 17058845), (53, 16736980), (65, 13647076), (106, 8368490), (130, 6823538), (212, 4184245), (260, 3411769), (265, 3347396), (530, 1673698), (689, 1287460), (1060, 836849), (1378, 643730), (2756, 321865), (3445, 257492), (6890, 128746), (13780, 64373)]