420177040

素因数分解:

$2^4\times 5^1\times {\mathrm{373}}^1\times {\mathrm{14081}}^1$

素因数の和:14467

約数の個数: 40

約数和(自身を含む): 979600248

約数和(自身を除く): 559423208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 373, 746, 1492, 1865, 2984, 3730, 5968, 7460, 14081, 14920, 28162, 29840, 56324, 70405, 112648, 140810, 225296, 281620, 563240, 1126480, 5252213, 10504426, 21008852, 26261065, 42017704, 52522130, 84035408, 105044260, 210088520, 420177040]

約数ペア:

[(1, 420177040), (2, 210088520), (4, 105044260), (5, 84035408), (8, 52522130), (10, 42017704), (16, 26261065), (20, 21008852), (40, 10504426), (80, 5252213), (373, 1126480), (746, 563240), (1492, 281620), (1865, 225296), (2984, 140810), (3730, 112648), (5968, 70405), (7460, 56324), (14081, 29840), (14920, 28162)]