64358320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3257}}^1$

素因数の和:3302

約数の個数: 80

約数和(自身を含む): 169676640

約数和(自身を除く): 105318320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3257, 3952, 4940, 6514, 9880, 13028, 16285, 19760, 26056, 32570, 42341, 52112, 61883, 65140, 84682, 123766, 130280, 169364, 211705, 247532, 260560, 309415, 338728, 423410, 495064, 618830, 677456, 804479, 846820, 990128, 1237660, 1608958, 1693640, 2475320, 3217916, 3387280, 4022395, 4950640, 6435832, 8044790, 12871664, 16089580, 32179160, 64358320]

約数ペア:

[(1, 64358320), (2, 32179160), (4, 16089580), (5, 12871664), (8, 8044790), (10, 6435832), (13, 4950640), (16, 4022395), (19, 3387280), (20, 3217916), (26, 2475320), (38, 1693640), (40, 1608958), (52, 1237660), (65, 990128), (76, 846820), (80, 804479), (95, 677456), (104, 618830), (130, 495064), (152, 423410), (190, 338728), (208, 309415), (247, 260560), (260, 247532), (304, 211705), (380, 169364), (494, 130280), (520, 123766), (760, 84682), (988, 65140), (1040, 61883), (1235, 52112), (1520, 42341), (1976, 32570), (2470, 26056), (3257, 19760), (3952, 16285), (4940, 13028), (6514, 9880)]