1643302700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{16001}}^1$

素因数の和:16107

約数の個数: 72

約数和(自身を含む): 3889126080

約数和(自身を除く): 2245823380

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 79, 100, 130, 158, 260, 316, 325, 395, 650, 790, 1027, 1300, 1580, 1975, 2054, 3950, 4108, 5135, 7900, 10270, 16001, 20540, 25675, 32002, 51350, 64004, 80005, 102700, 160010, 208013, 320020, 400025, 416026, 800050, 832052, 1040065, 1264079, 1600100, 2080130, 2528158, 4160260, 5056316, 5200325, 6320395, 10400650, 12640790, 16433027, 20801300, 25281580, 31601975, 32866054, 63203950, 65732108, 82165135, 126407900, 164330270, 328660540, 410825675, 821651350, 1643302700]

約数ペア:

[(1, 1643302700), (2, 821651350), (4, 410825675), (5, 328660540), (10, 164330270), (13, 126407900), (20, 82165135), (25, 65732108), (26, 63203950), (50, 32866054), (52, 31601975), (65, 25281580), (79, 20801300), (100, 16433027), (130, 12640790), (158, 10400650), (260, 6320395), (316, 5200325), (325, 5056316), (395, 4160260), (650, 2528158), (790, 2080130), (1027, 1600100), (1300, 1264079), (1580, 1040065), (1975, 832052), (2054, 800050), (3950, 416026), (4108, 400025), (5135, 320020), (7900, 208013), (10270, 160010), (16001, 102700), (20540, 80005), (25675, 64004), (32002, 51350)]