51979580

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 111724704

約数和(自身を除く): 59745124

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 173, 181, 332, 346, 362, 415, 692, 724, 830, 865, 905, 1660, 1730, 1810, 3460, 3620, 14359, 15023, 28718, 30046, 31313, 57436, 60092, 62626, 71795, 75115, 125252, 143590, 150230, 156565, 287180, 300460, 313130, 626260, 2598979, 5197958, 10395916, 12994895, 25989790, 51979580]

約数ペア:

[(1, 51979580), (2, 25989790), (4, 12994895), (5, 10395916), (10, 5197958), (20, 2598979), (83, 626260), (166, 313130), (173, 300460), (181, 287180), (332, 156565), (346, 150230), (362, 143590), (415, 125252), (692, 75115), (724, 71795), (830, 62626), (865, 60092), (905, 57436), (1660, 31313), (1730, 30046), (1810, 28718), (3460, 15023), (3620, 14359)]