1020504680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{2969}}^1$

素因数の和:3654

約数の個数: 64

約数和(自身を含む): 2477336400

約数和(自身を除く): 1456831720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 661, 1322, 2644, 2969, 3305, 5288, 5938, 6610, 8593, 11876, 13220, 14845, 17186, 23752, 26440, 29690, 34372, 38597, 42965, 59380, 68744, 77194, 85930, 118760, 154388, 171860, 192985, 308776, 343720, 385970, 771940, 1543880, 1962509, 3925018, 7850036, 9812545, 15700072, 19625090, 25512617, 39250180, 51025234, 78500360, 102050468, 127563085, 204100936, 255126170, 510252340, 1020504680]

約数ペア:

[(1, 1020504680), (2, 510252340), (4, 255126170), (5, 204100936), (8, 127563085), (10, 102050468), (13, 78500360), (20, 51025234), (26, 39250180), (40, 25512617), (52, 19625090), (65, 15700072), (104, 9812545), (130, 7850036), (260, 3925018), (520, 1962509), (661, 1543880), (1322, 771940), (2644, 385970), (2969, 343720), (3305, 308776), (5288, 192985), (5938, 171860), (6610, 154388), (8593, 118760), (11876, 85930), (13220, 77194), (14845, 68744), (17186, 59380), (23752, 42965), (26440, 38597), (29690, 34372)]