256919071760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2398423}}^1$

素因数の和:2398552

約数の個数: 80

約数和(自身を含む): 649531593984

約数和(自身を除く): 392612522224

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 103, 104, 130, 206, 208, 260, 412, 515, 520, 824, 1030, 1040, 1339, 1648, 2060, 2678, 4120, 5356, 6695, 8240, 10712, 13390, 21424, 26780, 53560, 107120, 2398423, 4796846, 9593692, 11992115, 19187384, 23984230, 31179499, 38374768, 47968460, 62358998, 95936920, 124717996, 155897495, 191873840, 247037569, 249435992, 311794990, 494075138, 498871984, 623589980, 988150276, 1235187845, 1247179960, 1976300552, 2470375690, 2494359920, 3211488397, 3952601104, 4940751380, 6422976794, 9881502760, 12845953588, 16057441985, 19763005520, 25691907176, 32114883970, 51383814352, 64229767940, 128459535880, 256919071760]

約数ペア:

[(1, 256919071760), (2, 128459535880), (4, 64229767940), (5, 51383814352), (8, 32114883970), (10, 25691907176), (13, 19763005520), (16, 16057441985), (20, 12845953588), (26, 9881502760), (40, 6422976794), (52, 4940751380), (65, 3952601104), (80, 3211488397), (103, 2494359920), (104, 2470375690), (130, 1976300552), (206, 1247179960), (208, 1235187845), (260, 988150276), (412, 623589980), (515, 498871984), (520, 494075138), (824, 311794990), (1030, 249435992), (1040, 247037569), (1339, 191873840), (1648, 155897495), (2060, 124717996), (2678, 95936920), (4120, 62358998), (5356, 47968460), (6695, 38374768), (8240, 31179499), (10712, 23984230), (13390, 19187384), (21424, 11992115), (26780, 9593692), (53560, 4796846), (107120, 2398423)]