201455960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{122839}}^1$

素因数の和:122891

約数の個数: 32

約数和(自身を含む): 464335200

約数和(自身を除く): 262879240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 122839, 245678, 491356, 614195, 982712, 1228390, 2456780, 4913560, 5036399, 10072798, 20145596, 25181995, 40291192, 50363990, 100727980, 201455960]

約数ペア:

[(1, 201455960), (2, 100727980), (4, 50363990), (5, 40291192), (8, 25181995), (10, 20145596), (20, 10072798), (40, 5036399), (41, 4913560), (82, 2456780), (164, 1228390), (205, 982712), (328, 614195), (410, 491356), (820, 245678), (1640, 122839)]