91409720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{37463}}^1$

素因数の和:37535

約数の個数: 32

約数和(自身を含む): 209049120

約数和(自身を除く): 117639400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 37463, 74926, 149852, 187315, 299704, 374630, 749260, 1498520, 2285243, 4570486, 9140972, 11426215, 18281944, 22852430, 45704860, 91409720]

約数ペア:

[(1, 91409720), (2, 45704860), (4, 22852430), (5, 18281944), (8, 11426215), (10, 9140972), (20, 4570486), (40, 2285243), (61, 1498520), (122, 749260), (244, 374630), (305, 299704), (488, 187315), (610, 149852), (1220, 74926), (2440, 37463)]