42320980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{659}}^1$

素因数の和:713

約数の個数: 72

約数和(自身を含む): 101455200

約数和(自身を除く): 59134220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 169, 190, 247, 260, 338, 380, 494, 659, 676, 845, 988, 1235, 1318, 1690, 2470, 2636, 3211, 3295, 3380, 4940, 6422, 6590, 8567, 12521, 12844, 13180, 16055, 17134, 25042, 32110, 34268, 42835, 50084, 62605, 64220, 85670, 111371, 125210, 162773, 171340, 222742, 250420, 325546, 445484, 556855, 651092, 813865, 1113710, 1627730, 2116049, 2227420, 3255460, 4232098, 8464196, 10580245, 21160490, 42320980]

約数ペア:

[(1, 42320980), (2, 21160490), (4, 10580245), (5, 8464196), (10, 4232098), (13, 3255460), (19, 2227420), (20, 2116049), (26, 1627730), (38, 1113710), (52, 813865), (65, 651092), (76, 556855), (95, 445484), (130, 325546), (169, 250420), (190, 222742), (247, 171340), (260, 162773), (338, 125210), (380, 111371), (494, 85670), (659, 64220), (676, 62605), (845, 50084), (988, 42835), (1235, 34268), (1318, 32110), (1690, 25042), (2470, 17134), (2636, 16055), (3211, 13180), (3295, 12844), (3380, 12521), (4940, 8567), (6422, 6590)]