65020280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6581}}^1$

素因数の和:6624

約数の個数: 64

約数和(自身を含む): 165866400

約数和(自身を除く): 100846120

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 6581, 9880, 13162, 26324, 32905, 52648, 65810, 85553, 125039, 131620, 171106, 250078, 263240, 342212, 427765, 500156, 625195, 684424, 855530, 1000312, 1250390, 1625507, 1711060, 2500780, 3251014, 3422120, 5001560, 6502028, 8127535, 13004056, 16255070, 32510140, 65020280]

約数ペア:

[(1, 65020280), (2, 32510140), (4, 16255070), (5, 13004056), (8, 8127535), (10, 6502028), (13, 5001560), (19, 3422120), (20, 3251014), (26, 2500780), (38, 1711060), (40, 1625507), (52, 1250390), (65, 1000312), (76, 855530), (95, 684424), (104, 625195), (130, 500156), (152, 427765), (190, 342212), (247, 263240), (260, 250078), (380, 171106), (494, 131620), (520, 125039), (760, 85553), (988, 65810), (1235, 52648), (1976, 32905), (2470, 26324), (4940, 13162), (6581, 9880)]