31628480

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7603}}^1$

素因数の和:7633

約数の個数: 56

約数和(自身を含む): 81119472

約数和(自身を除く): 49490992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 7603, 15206, 30412, 38015, 60824, 76030, 98839, 121648, 152060, 197678, 243296, 304120, 395356, 486592, 494195, 608240, 790712, 988390, 1216480, 1581424, 1976780, 2432960, 3162848, 3953560, 6325696, 7907120, 15814240, 31628480]

約数ペア:

[(1, 31628480), (2, 15814240), (4, 7907120), (5, 6325696), (8, 3953560), (10, 3162848), (13, 2432960), (16, 1976780), (20, 1581424), (26, 1216480), (32, 988390), (40, 790712), (52, 608240), (64, 494195), (65, 486592), (80, 395356), (104, 304120), (130, 243296), (160, 197678), (208, 152060), (260, 121648), (320, 98839), (416, 76030), (520, 60824), (832, 38015), (1040, 30412), (2080, 15206), (4160, 7603)]