16815693700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{39079}}^1$

素因数の和:39437

約数の個数: 72

約数和(自身を含む): 39416713280

約数和(自身を除く): 22601019580

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 331, 650, 662, 1300, 1324, 1655, 3310, 4303, 6620, 8275, 8606, 16550, 17212, 21515, 33100, 39079, 43030, 78158, 86060, 107575, 156316, 195395, 215150, 390790, 430300, 508027, 781580, 976975, 1016054, 1953950, 2032108, 2540135, 3907900, 5080270, 10160540, 12700675, 12935149, 25401350, 25870298, 50802700, 51740596, 64675745, 129351490, 168156937, 258702980, 323378725, 336313874, 646757450, 672627748, 840784685, 1293514900, 1681569370, 3363138740, 4203923425, 8407846850, 16815693700]

約数ペア:

[(1, 16815693700), (2, 8407846850), (4, 4203923425), (5, 3363138740), (10, 1681569370), (13, 1293514900), (20, 840784685), (25, 672627748), (26, 646757450), (50, 336313874), (52, 323378725), (65, 258702980), (100, 168156937), (130, 129351490), (260, 64675745), (325, 51740596), (331, 50802700), (650, 25870298), (662, 25401350), (1300, 12935149), (1324, 12700675), (1655, 10160540), (3310, 5080270), (4303, 3907900), (6620, 2540135), (8275, 2032108), (8606, 1953950), (16550, 1016054), (17212, 976975), (21515, 781580), (33100, 508027), (39079, 430300), (43030, 390790), (78158, 215150), (86060, 195395), (107575, 156316)]