4990719760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{154799}}^1$

素因数の和:154856

約数の個数: 80

約数和(自身を含む): 12899174400

約数和(自身を除く): 7908454640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 16120, 32240, 154799, 309598, 619196, 773995, 1238392, 1547990, 2012387, 2476784, 3095980, 4024774, 4798769, 6191960, 8049548, 9597538, 10061935, 12383920, 16099096, 19195076, 20123870, 23993845, 32198192, 38390152, 40247740, 47987690, 62383997, 76780304, 80495480, 95975380, 124767994, 160990960, 191950760, 249535988, 311919985, 383901520, 499071976, 623839970, 998143952, 1247679940, 2495359880, 4990719760]

約数ペア:

[(1, 4990719760), (2, 2495359880), (4, 1247679940), (5, 998143952), (8, 623839970), (10, 499071976), (13, 383901520), (16, 311919985), (20, 249535988), (26, 191950760), (31, 160990960), (40, 124767994), (52, 95975380), (62, 80495480), (65, 76780304), (80, 62383997), (104, 47987690), (124, 40247740), (130, 38390152), (155, 32198192), (208, 23993845), (248, 20123870), (260, 19195076), (310, 16099096), (403, 12383920), (496, 10061935), (520, 9597538), (620, 8049548), (806, 6191960), (1040, 4798769), (1240, 4024774), (1612, 3095980), (2015, 2476784), (2480, 2012387), (3224, 1547990), (4030, 1238392), (6448, 773995), (8060, 619196), (16120, 309598), (32240, 154799)]