64437880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1493}}^1$

素因数の和:1600

約数の個数: 64

約数和(自身を含む): 158124960

約数和(自身を除く): 93687080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 83, 104, 130, 166, 260, 332, 415, 520, 664, 830, 1079, 1493, 1660, 2158, 2986, 3320, 4316, 5395, 5972, 7465, 8632, 10790, 11944, 14930, 19409, 21580, 29860, 38818, 43160, 59720, 77636, 97045, 123919, 155272, 194090, 247838, 388180, 495676, 619595, 776360, 991352, 1239190, 1610947, 2478380, 3221894, 4956760, 6443788, 8054735, 12887576, 16109470, 32218940, 64437880]

約数ペア:

[(1, 64437880), (2, 32218940), (4, 16109470), (5, 12887576), (8, 8054735), (10, 6443788), (13, 4956760), (20, 3221894), (26, 2478380), (40, 1610947), (52, 1239190), (65, 991352), (83, 776360), (104, 619595), (130, 495676), (166, 388180), (260, 247838), (332, 194090), (415, 155272), (520, 123919), (664, 97045), (830, 77636), (1079, 59720), (1493, 43160), (1660, 38818), (2158, 29860), (2986, 21580), (3320, 19409), (4316, 14930), (5395, 11944), (5972, 10790), (7465, 8632)]