39944840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:367

約数の個数: 96

約数和(自身を含む): 102772800

約数和(自身を除く): 62827960

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 169, 190, 247, 260, 311, 338, 380, 494, 520, 622, 676, 760, 845, 988, 1235, 1244, 1352, 1555, 1690, 1976, 2470, 2488, 3110, 3211, 3380, 4043, 4940, 5909, 6220, 6422, 6760, 8086, 9880, 11818, 12440, 12844, 16055, 16172, 20215, 23636, 25688, 29545, 32110, 32344, 40430, 47272, 52559, 59090, 64220, 76817, 80860, 105118, 118180, 128440, 153634, 161720, 210236, 236360, 262795, 307268, 384085, 420472, 525590, 614536, 768170, 998621, 1051180, 1536340, 1997242, 2102360, 3072680, 3994484, 4993105, 7988968, 9986210, 19972420, 39944840]

約数ペア:

[(1, 39944840), (2, 19972420), (4, 9986210), (5, 7988968), (8, 4993105), (10, 3994484), (13, 3072680), (19, 2102360), (20, 1997242), (26, 1536340), (38, 1051180), (40, 998621), (52, 768170), (65, 614536), (76, 525590), (95, 420472), (104, 384085), (130, 307268), (152, 262795), (169, 236360), (190, 210236), (247, 161720), (260, 153634), (311, 128440), (338, 118180), (380, 105118), (494, 80860), (520, 76817), (622, 64220), (676, 59090), (760, 52559), (845, 47272), (988, 40430), (1235, 32344), (1244, 32110), (1352, 29545), (1555, 25688), (1690, 23636), (1976, 20215), (2470, 16172), (2488, 16055), (3110, 12844), (3211, 12440), (3380, 11818), (4043, 9880), (4940, 8086), (5909, 6760), (6220, 6422)]