1987060665980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{5820671}}^1$

素因数の和:5820807

約数の個数: 72

約数和(自身を含む): 4563243869184

約数和(自身を除く): 2576183203204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 169, 202, 260, 338, 404, 505, 676, 845, 1010, 1313, 1690, 2020, 2626, 3380, 5252, 6565, 13130, 17069, 26260, 34138, 68276, 85345, 170690, 341380, 5820671, 11641342, 23282684, 29103355, 58206710, 75668723, 116413420, 151337446, 302674892, 378343615, 587887771, 756687230, 983693399, 1175775542, 1513374460, 1967386798, 2351551084, 2939438855, 3934773596, 4918466995, 5878877710, 7642541023, 9836933990, 11757755420, 15285082046, 19673867980, 30570164092, 38212705115, 76425410230, 99353033299, 152850820460, 198706066598, 397412133196, 496765166495, 993530332990, 1987060665980]

約数ペア:

[(1, 1987060665980), (2, 993530332990), (4, 496765166495), (5, 397412133196), (10, 198706066598), (13, 152850820460), (20, 99353033299), (26, 76425410230), (52, 38212705115), (65, 30570164092), (101, 19673867980), (130, 15285082046), (169, 11757755420), (202, 9836933990), (260, 7642541023), (338, 5878877710), (404, 4918466995), (505, 3934773596), (676, 2939438855), (845, 2351551084), (1010, 1967386798), (1313, 1513374460), (1690, 1175775542), (2020, 983693399), (2626, 756687230), (3380, 587887771), (5252, 378343615), (6565, 302674892), (13130, 151337446), (17069, 116413420), (26260, 75668723), (34138, 58206710), (68276, 29103355), (85345, 23282684), (170690, 11641342), (341380, 5820671)]