31538650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:448

約数の個数: 72

約数和(自身を含む): 69612732

約数和(自身を除く): 38074082

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 121, 130, 143, 242, 275, 286, 325, 401, 550, 605, 650, 715, 802, 1210, 1430, 1573, 2005, 3025, 3146, 3575, 4010, 4411, 5213, 6050, 7150, 7865, 8822, 10025, 10426, 15730, 20050, 22055, 26065, 39325, 44110, 48521, 52130, 57343, 78650, 97042, 110275, 114686, 130325, 220550, 242605, 260650, 286715, 485210, 573430, 630773, 1213025, 1261546, 1433575, 2426050, 2867150, 3153865, 6307730, 15769325, 31538650]

約数ペア:

[(1, 31538650), (2, 15769325), (5, 6307730), (10, 3153865), (11, 2867150), (13, 2426050), (22, 1433575), (25, 1261546), (26, 1213025), (50, 630773), (55, 573430), (65, 485210), (110, 286715), (121, 260650), (130, 242605), (143, 220550), (242, 130325), (275, 114686), (286, 110275), (325, 97042), (401, 78650), (550, 57343), (605, 52130), (650, 48521), (715, 44110), (802, 39325), (1210, 26065), (1430, 22055), (1573, 20050), (2005, 15730), (3025, 10426), (3146, 10025), (3575, 8822), (4010, 7865), (4411, 7150), (5213, 6050)]